READING & WRITING ALGEBRAIC EXPRESSIONS

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols (like +, -, *, /) but does not have an equality sign.

Front

What does the term 'variable' mean in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown number or value.

Front

What does 'sum' mean in mathematical terms?

Back

The sum is the result of adding two or more numbers or expressions together.

Front

How do you represent 'the sum of three different numbers' in algebraic form?

Back

x + y + z, where x, y, and z are different numbers.

Front

What does 'subtracted from' indicate in an expression?

Back

It indicates that a number is being taken away from another number, often represented as 'x - a'.

Front

How would you express '13 subtracted from a number x'?

Back

x - 13.

Front

What does the term 'squared' mean?

Back

Front

How do you express 'a number increased by a different number squared'?

Back

m + n^2, where m is the number and n is the different number.

Front

What does 'two taken from' mean in an expression?

Back

It means to subtract 2 from a number, often represented as 'x - 2'.

Front

How would you express 'seven times a number, decreased by two'?

Back

7x - 2.